both with firefox and chrome, the ad covers the parts list to the right and was really frustrating.
i've removed them on firefox by using an extension called Adsense and on chrome by using Privoxy
Indeed, even when you click on the ePER link it states:
"Welcome to the FIAT ePER online parts catalogue, allowing you to browse all the components of your vehicle online, without needing to make a trip to your local dealers. Requires Internet Explorer. "